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	hartrees
Energy at 0K	-340.390488
Energy at 298.15K
HF Energy	-339.384407
Nuclear repulsion energy	228.103884

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	?_a	902	902	0.82
2	?_a	902	902	36.42
3	A₁	3354	3354	0.32
4	A₁	1917	1917	716.90
5	A₁	1696	1696	5.71
6	A₁	1194	1194	149.78
7	A₁	1119	1119	40.25
8	A₁	744	744	4.18
9	A₂	818	818	0.00
10	A₂	565	565	0.00
11	B₁	794	794	4.36
12	B₁	727	727	82.17
13	B₁	235	235	0.79
14	B₂	3327	3327	9.70
15	B₂	1372	1372	35.62
16	B₂	1106	1106	126.99
17	B₂	1072	1072	1.25
18	B₂	529	529	0.01

Atom	y (Å)	z (Å)
C1	0.000	0.785
O2	0.000	1.980
O3	1.115	-0.017
O4	-1.115	-0.017
C5	0.671	-1.337
C6	-0.671	-1.337
H7	1.417	-2.121
H8	-1.417	-2.121

	C1	O2	O3	O4	C5	C6	H7	H8
C1		1.1947	1.3732	1.3732	2.2259	2.2259	3.2339	3.2339
O2	1.1947		2.2868	2.2868	3.3843	3.3843	4.3394	4.3394
O3	1.3732	2.2868		2.2294	1.3931	2.2207	2.1263	3.2927
O4	1.3732	2.2868	2.2294		2.2207	1.3931	3.2927	2.1263
C5	2.2259	3.3843	1.3931	2.2207		1.3414	1.0829	2.2306
C6	2.2259	3.3843	2.2207	1.3931	1.3414		2.2306	1.0829
H7	3.2339	4.3394	2.1263	3.2927	1.0829	2.2306		2.8349
H8	3.2339	4.3394	3.2927	2.1263	2.2306	1.0829	2.8349

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O3	C5	107.148	C1	O4	C6	107.148
O2	C1	O3	125.734	O2	C1	O4	125.734
O3	C1	O4	108.533	O3	C5	C6	108.585
O3	C5	H7	117.815	O4	C6	C5	108.585
O4	C6	H8	117.815	C5	C6	H8	133.600
C6	C5	H7	133.600

All results from a given calculation for C₃H₂O₃ (vinylene carbonate)

using model chemistry: CCSD=FULL/daug-cc-pVDZ

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for C3H2O3 (vinylene carbonate)

using model chemistry: CCSD=FULL/daug-cc-pVDZ

States and conformations

All results from a given calculation for C₃H₂O₃ (vinylene carbonate)